The present invention relates to the technical field of agricultural chemicals. Disclosed is a herbicide composition containing aminopyralid and nonanoic acid. The herbicide composition comprises aminopyralid and nonanoic acid as main active ingredients, and the weight ratio of aminopyralid to nonanoic acid is 0.1-80 to 0.1-80. The herbicide composition of the present invention is applicable to the control of weeds in non-croplands, orchards, timberlands and wheat paddocks, has advantages of quick effect, applicability to a wide range of weeds, long duration, through weed control, low residue, low toxicity, and being safe and environmentally friendly, and is an excellent chemical herbicide for non-croplands, orchards, timberlands and wheat paddocks.
